VEGA VEGAFLEX 67 (-200…+400°C) Profibus PA User Manual
Page 48
TS
d1
h1
h2
d2
1
L2
L1
Fig. 21: Interface measurement (interface is between L1 and L2)
1
Reference plane
d1 Distance to the interface (Secondary Value 2)
d2 Distance to the level (Distance Level)
TS
Thickness of the upper medium (d1 - d2)
h1 Height - interface (Secondary Value)
h2 Height - Level
L1
Lower medium
L2
Upper medium
Resolution, digital
>
1 mm (0.039 in)
Accuracy (according to DIN EN 60770-1)
Process reference conditions according to DIN EN 61298-1
-
Temperature
+
18 … +30 °C (+64 … +86 °F)
-
Relative humidity
45 … 75 %
-
Air pressure
+
860 … +1060 mbar/+86 … +106 kPa
(+
12.5 … +15.4 psig)
-
Emulsion phase
<
2 mm (< 0.079 in)
Installation reference conditions
-
Min. distance to installations
>
500 mm (19.69 in)
-
Vessel
metallic, ø 1 m (3.281 ft), centric installation,
process fitting flush with the vessel ceiling
-
Medium
Water/Oil (dielectric figure ~2.0)
-
Installation
Probe end does not touch the vessel bottom
Sensor parameter adjustment
Gating out of false signals carried out
Deviation
see diagrams
The accuracy values of the diagrams refer to the
48
VEGAFLEX
67 • Profibus PA
10 Supplement
32313
-EN
-120329